Semantica v0.2.4

Added

• Ontology Ingestion Module:
  • Implemented OntologyIngestor for parsing RDF/OWL files (Turtle, RDF/XML, JSON-LD, N3).
  • Added ingest_ontology and unified ingest(source_type="ontology") interface.
  • Added recursive directory scanning for batch ontology ingestion.
  • Added OntologyData dataclass for consistent metadata.
• Documentation:
  • Updated ontology_usage.md and ontology.md with usage examples and API details.
• Tests:
  • Added comprehensive test suite tests/ingest/test_ontology_ingestor.py.
  • Added examples/demo_ontology_ingest.py for end-to-end demonstration.